Which of the Following Is True Regarding Standard Infection-Control Precautions

Which of the following is true regarding standard infection-control precautions?

A) Standard precautions are strategies used to reduce the risk of transmission of pathogens in healthcare settings.
B) Standard precautions should be used in caring for all patients,regardless of their infectious status.
C) Expanded or transmission-based precautions are used beyond standard precautions to interrupt the spread of certain pathogens.
D) Standard precautions apply to exposure to blood,all body fluids and secretions (except sweat) ,nonintact skin,and mucous membranes.
E) All of the above are true.